
.main-banner {
    background-size: cover;
    background-position: center;
    width: 100%;
    height: 100vh;
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    overflow: hidden;
    margin-bottom: -20px;
}

.main-banner:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #252525;
    opacity: 0.55;
    z-index: 1;
}

.main-banner .container {
    position: relative;
    z-index: 3;
}

.banner-shape {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 160px;
    background-size: 1920px;
    background-position: top center;
    z-index: 2;
}

.banner-content {
    text-align: center;
}

.banner-content p {
    font-size: 15px;
    color: #ffffff;
    padding: 0 25px;
    margin-bottom: 32px;
}

.scroll-down {
    position: absolute;
    bottom: 187px;
    left: 50%;
    transform: translate(-50%);
    z-index: 2;
}

.scroll-down a span {
    position: absolute;
    top: 0;
    left: 50%;
    width: 24px;
    height: 24px;
    margin-left: -12px;
    border-left: 3px solid #fff;
    border-bottom: 3px solid #fff;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    box-sizing: border-box;
}

.site-social-media {
    position: absolute;
    top: 50%;
    left: -58px;
    transform: translate(0, -50%);
    text-align: center;
    font-size: 0;
}

.site-social-media span {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: .01em;
    color: #ffffff;
    transform: rotate(-90deg);
    display: block;
    position: relative;
    margin-bottom: 72px;
}

.site-social-media span:before {
    content: '';
    position: absolute;
    top: 50%;
    right: calc(100% + 10px);
    width: 30px;
    height: 1px;
    background: #ffffff;
}

.site-social-media a {
    display: block;
    font-size: 19px;
    line-height: 20px;
    color: #ffffff;
    margin-bottom: 12px;
    transition: 0.3s;
}

.site-social-media a:hover {
    color: #ff4f00;
}


.banner-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.banner-slide-box {
    width: 100vw;
    height: 100vh;
    background-size: cover;
    background-position: center;

}

.main-welcome {
    padding-top: 109px;
    padding-bottom: 90px;
}

.welcome-content {
    padding-top: 0;
}

.welcome-content .h2-title {
    position: relative;
    padding-bottom: 0;
    margin-bottom: 30px;
}

.welcome-content .h2-title:before,
.welcome-content .h2-title:after {
    display: none;
}

.welcome-content .sec-btn {
    width: 160px;
    margin-top: 20px;
}


.main-top-items {
    padding: 90px 0;
    background: #f7f7f7;
}

.main-top-items .element-top {
    top: 140px;
    width: 283px;
}

.main-top-items .element-bottom {
    bottom: 154px;
    width: 317px;
}

.top-items-title {
    text-align: center;
    padding-bottom: 8px;
}

.top-items-tab-list .nav-tabs {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
    border: none;
}

.top-items-tab-list .nav-tabs .nav-item {
    flex: 0 0 25%;
    max-width: 25%;
    width: 100%;
    padding: 0 15px;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link {
    width: 100%;
    height: 168px;
    background: #ffffff;
    box-shadow: 5px 5px 25px rgba(0, 0, 0, 0.1);
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 0;
    position: relative;
    transition: 0.3s;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link:hover,
.top-items-tab-list .nav-tabs .nav-item .nav-link.active {
    background: #ff4f00;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link:before {
    content: '';
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translate(-50%);
    width: 36px;
    height: 22px;
    border-top: 0px solid #ff4f00;
    border-right: 18px solid transparent;
    border-left: 18px solid transparent;
    opacity: 0;
    transition: 0.3s;
    z-index: 0;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link:hover:before,
.top-items-tab-list .nav-tabs .nav-item .nav-link.active:before {
    border-top: 22px solid #ff4f00;
    opacity: 1;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link .tab-icon {
    width: auto;
    height: 64px;
    display: block;
    position: relative;
    margin-bottom: 8px;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link .tab-icon img {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%);
    width: auto;
    height: 64px;
    transition: 0.3s;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link .tab-icon img.tab-icon-active,
.top-items-tab-list .nav-tabs .nav-item .nav-link:hover .tab-icon img.tab-icon-hover,
.top-items-tab-list .nav-tabs .nav-item .nav-link.active .tab-icon img.tab-icon-hover {
    opacity: 1;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link .tab-icon img.tab-icon-hover,
.top-items-tab-list .nav-tabs .nav-item .nav-link:hover .tab-icon img.tab-icon-active,
.top-items-tab-list .nav-tabs .nav-item .nav-link.active .tab-icon img.tab-icon-active {
    opacity: 0;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link > span {
    font-size: 30px;
    font-weight: 700;
    color: #222222;
    transition: 0.3s;
}

.top-items-tab-list .nav-tabs .nav-item .nav-link:hover > span,
.top-items-tab-list .nav-tabs .nav-item .nav-link.active > span {
    color: #ffffff;
}

.top-items-tab-content {
    padding-top: 45px;
}

.tab-content-text .h3-title {
    margin-bottom: 25px;
}

.tab-content-text p:last-child {
    margin-bottom: 0;
}

.tab-content-img-box {
    width: 100%;
    height: 384px;
    position: relative;
    box-shadow: 5px 5px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.tab-content-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: 0.5s;
    z-index: 0;
}

.tab-content-img:hover {
    transform: scale(1.2);
}

.tab-content-img-off {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 85px;
    height: 90px;
    background: #ff4f00;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.tab-content-img-off p {
    font-size: 30px;
    line-height: 37px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0;
    text-align: center;
}